diff options
Diffstat (limited to 'rt')
| -rw-r--r-- | rt/Makefile | 2 | ||||
| -rw-r--r-- | rt/tst-clock_nanosleep.c | 57 |
2 files changed, 58 insertions, 1 deletions
diff --git a/rt/Makefile b/rt/Makefile index 712b1a9c54..828bdc1f50 100644 --- a/rt/Makefile +++ b/rt/Makefile @@ -38,7 +38,7 @@ librt-routines = $(aio-routines) \ $(clock-routines) $(timer-routines) \ $(shm-routines) -tests := tst-shm tst-clock tst-timer \ +tests := tst-shm tst-clock tst-clock_nanosleep tst-timer \ tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \ tst-aio7 diff --git a/rt/tst-clock_nanosleep.c b/rt/tst-clock_nanosleep.c new file mode 100644 index 0000000000..005f00ef96 --- /dev/null +++ b/rt/tst-clock_nanosleep.c @@ -0,0 +1,57 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/time.h> + + +/* Test that clock_nanosleep() does sleep. */ +static int +do_test (void) +{ + /* Current time. */ + struct timeval tv1; + (void) gettimeofday (&tv1, NULL); + + struct timespec ts; + ts.tv_sec = 1; + ts.tv_nsec = 0; + TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts)); + + /* At least one second must have passed. */ + struct timeval tv2; + (void) gettimeofday (&tv2, NULL); + + tv2.tv_sec -= tv1.tv_sec; + tv2.tv_usec -= tv1.tv_usec; + if (tv2.tv_usec < 0) + --tv2.tv_sec; + + if (tv2.tv_sec < 1) + { + puts ("clock_nanosleep didn't sleep long enough"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |